PHP实现多图上传和单图上传功能

/**   * 多选图片上传   *    * @version v1.0.0   * @author    * @since  17-11-24   */  public function upload()  {    $file = $_FILES['file'];    empty($file) && $this->response(201,'请选择要上传的文件');    unset($_FILES['file']);    $count = count($file['name']);       // 上传图片的数量    $count > 10 && $this->response(203,'批量上传图片一次最多上传10张图片');    $tmpFile  = [];    $returnData = [];    for($i=0;$i<$count;$i++)          // 循环处理图片    {      $tmpFile['name']   = $file['name'][$i];      $tmpFile['type']   = $file['type'][$i];      $tmpFile['tmp_name'] = $file['tmp_name'][$i];      $tmpFile['error']  = $file['error'][$i];      $tmpFile['size']   = $file['size'][$i];      $_FILES['file_'.$i] = $tmpFile;      // 判断是否是允许的图片类型      $ext = substr($_FILES['file_'.$i]['name'],strrpos($_FILES['file_'.$i]['name'],'.')+1); // 上传文件后缀      stripos('jpeg|png|bmp|jpg',$ext) === FALSE && $this->response(210,'图片格式支持 JPEG、PNG、BMP格式图片');      $data = $this->uploadOne('file_'.$i,'jpeg|png|bmp|jpg');      if($data['status'] == 1)      {        $this->response(500,'第'.($i+1).'张图片上传失败，'.$data['msg']);      }      $returnData[$i]['url']   = $data['url'];   // 图片路径      $returnData[$i]['old_name'] = substr($tmpFile['name'],0,strrpos($tmpFile['name'], '.')); // 图片原名称    }    $this->response(200,'successful',$returnData);  }   /**   * 单文件上传   * @version v1.0.0   * @author     * @since  17-11-24   * @param  $file   上传表单name名称   * @param  $type   上传类型   * @param  $maxSize 上传文件限制大小(默认 10M)   */  private function uploadOne($filename = 'file',$type = 'jpeg|png|bmp|jpg',$maxSize = 10240)  {    list($width,$height)    = getimagesize($_FILES[$filename]['tmp_name']); // 获取图片的宽和高    list($usec, $sec) = explode(" ", microtime());    $time = $sec.substr($usec,2);                         // 秒数+微秒数    $ext = substr($_FILES[$filename]['name'],strrpos($_FILES[$filename]['name'],'.')+1); // 上传文件后缀    $name   = $time.'-'.$width.'*'.$height.'.'.$ext;    $filePath = $_FILES[$filename]['tmp_name'];    $type   = $_FILES[$filename]['type'];    $this->load->library('Qiniu');    $returnData['url'] = $this->qiniu->upload($name,$filePath,$type);    $returnData['status'] = 0;    return $returnData;  }